Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. The ozone hole results from...
Second principle of Centripetal force
Newtons first principle of Universal Gravitation
Mechanical - chemical - and radiant energy
Halogen radicals interfering in ozone synthesis

2. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
12 miles per hour
Newtons second principle of Universal Gravitation
Near a maximum
Means less power is transmitted

3. Circular motion requires centripetal force
First principle of Centripetal force
Disorder
Might stay the same
Newtons first principle of Universal Gravitation

4. Electrical energy can be converted to...
Momentum
Difference in the sped of light in water vs. air
Less on the moon
Mechanical - chemical - and radiant energy

5. Raising an auto in a service station requires work. Raising it twice as high requires...
Sulfur
Twice the work
12 miles per hour
Second principle of Centripetal force

6. Neglecting air resistance - a ball in free fall near the earth's surface will have...
263 degrees kelvin
Second principle of Centripetal force
Near a maximum
Increasing speed and constant acceleration

7. At a given speed - the centripetal force - the smaller the circle.
Halogen radicals interfering in ozone synthesis
Difference between the heat supplied and the heat exhausted
Difference in the sped of light in water vs. air
Third principle of Centripetal force

8. All objects with mass are attracted to another by the gravitational force
Increasing speed and constant acceleration
Newtons first principle of Universal Gravitation
Mechanical - chemical - and radiant energy
263 degrees kelvin

9. Heat is the...
Halogen radicals interfering in ozone synthesis
Difference between the heat supplied and the heat exhausted
Decreased
Total internal energy of an object

10. The larger the centripetal force - the faster an object travels in a circle of a given size
Movement
Decreased
Difference between the heat supplied and the heat exhausted
Second principle of Centripetal force

11. Electromagnetic radiation can be viewed as...
Waves and particles
Difference between the heat supplied and the heat exhausted
Movement
Might stay the same

12. Which is not one of the fundamental forces of nature...
Universal
Waste heat for secondary uses
Newtons third principle of Universal Gravitation
Halogen radicals interfering in ozone synthesis

13. From the 50's and to the 70's - the pH of rain in the northeast had..
Decreased
Newtons second principle of Universal Gravitation
12 miles per hour
Momentum

14. The gravitational force - two masses are directly proportional to the mass of each object
Newtons second principle of Universal Gravitation
Total internal energy of an object
5 m/s
Third principle of Centripetal force

15. The theoretical production curve of oil indicates oil production is...
Waste heat for secondary uses
Means less power is transmitted
Second principle of Centripetal force
Near a maximum

16. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Twice the work
Waste heat for secondary uses
Newtons third principle of Universal Gravitation
Second principle of Centripetal force

17. Increasing the frequency of light
Means less power is transmitted
Total internal energy of an object
Third principle of Centripetal force
Increases the energy

18. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
12 miles per hour
Movement
5 m/s
Waste heat for secondary uses

19. If a charging elephant has kinetic energy - it must also have...
Newtons second principle of Universal Gravitation
Waste heat for secondary uses
Momentum
Third principle of Centripetal force

20. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
Increasing speed and constant acceleration
12 miles per hour
Disorder
Third principle of Centripetal force

21. cogeneration uses...
263 degrees kelvin
Waste heat for secondary uses
First principle of Centripetal force
Might stay the same

22. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Less on the moon
First principle of Centripetal force
Remains unchanged
Increasing speed and constant acceleration

23. A temperature of -10 degrees celsius is equivalent to...
Waves and particles
Twice the work
Mechanical - chemical - and radiant energy
263 degrees kelvin

24. In burning coal - what contaminant is of major concern as a pollutant...
5 m/s
Total internal energy of an object
Sulfur
Momentum

25. When you add heat to a substance - its temperature...
12 miles per hour
Momentum
Newtons second principle of Universal Gravitation
Might stay the same

26. The reason that a spear fisherman cannot see where the fish is actually located is...
Mechanical - chemical - and radiant energy
Newtons third principle of Universal Gravitation
Difference in the sped of light in water vs. air
Sulfur

27. Entropy refers to...
Halogen radicals interfering in ozone synthesis
Newtons third principle of Universal Gravitation
Disorder
Increasing speed and constant acceleration

28. The weight of one kilogram of iron on earth is...
Waves and particles
Mechanical - chemical - and radiant energy
Less on the moon
Near a maximum

29. In a generator - the flow of electrons (current) is created by...
Movement
263 degrees kelvin
Heat of fusion
Near a maximum

30. The work that a heat engine is able to accomplish is ideally equivalent to the
Mechanical - chemical - and radiant energy
Difference between the heat supplied and the heat exhausted
Universal
Difference in the sped of light in water vs. air

31. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Decreased
Near a maximum
Heat of fusion
Halogen radicals interfering in ozone synthesis